Notations | Descriptions |
---|---|
\(Z\) | The result of the feature extraction operation on X |
\(X\) | Data matrix |
\(Q\) | The mapping matrix |
\(Y\) | Data label |
\(n_{ + }\) | The number of positive class data |
\(n_{ - }\) | The number of negative class data |
\(b\) | The bias |
\(\xi\) | The slack variable |
n | The whole number of data points |
\(\varepsilon\) | The reconstruction error |
\(\omega\) | Denotes the coefficients of separating hyper-plane |
\(v_{j}^{ - }\) | The empirical mean of the second order moment of the \(j{\text{th}}\) feature in the negative classes respectively |
\(v_{j}^{ + }\) | The empirical mean of the second order moment of the \(j{\text{th}}\) feature in the positive classes respectively |